Die in The Dungeon
Die in The Dungeon is a turn-based rogue-lite where you use dices, with 20 floors to go and logic decisions to make, it is a challenging little game.
Die in The Dungeon is available on itch.io.
Roborazzi
Roborazzi will test how efficient you can be as a paparazzi, the game has a neat style and a very fun gameplay.
The game is available on itch.io.
Friday Night Funkin'
Exceptionally cool indie game, with a gameplay that can remember games like Guitar Hero, this game offers challenge and well designed characters.
The game is available on itch.io.
Village Arsonist
In Village Arsonist you only have one goal, getting revenge on the village that wronged you, by burning it. The game has a gameplay of puzzles in which you'll have to find a way to cause more damage as possible.
You can play it on itch.io.
Sort the Court!
This is a very popular game, the premise in this game is very interesting, it has been explored many times but it is very well done, you can only pick between yes or no, as the king, and your choices will determine your fate. The soundtrack is amazing as well.
The game is available on itch.io.
Minivania
Minivania, a small metroidvania.
You can play it here.
Super Smash Flash 2
Although you may not be able to play it depending on your browser, SSF2 is one of the most complete web games, it has an incredible replay-ability and it's been developed for a long time.
https://www.youtube.com/watch?v=59yz4LZHGJs
You can find out how to play it on it's own website.